--- /dev/null
+#ifndef _STLP_misc_rlocks_h
+# define _STLP_misc_rlocks_h
+# if (__SUNPRO_CC >= 0x500 )
+# include <../CCios/rlocks.h>
+# elif defined (__SUNPRO_CC)
+# include <../CC/rlocks.h>
+# else
+# error "This file is for SUN CC only. Please remove it if it causes any harm for other compilers."
+# endif
+#endif
+